JavaScript

Javascript performance issues in browsers may be the most important availability issue; Javascript obstructive browsers use a single process to handle UI processes and Js execution; whether embedded or external links, download and execute it

Occasionally, I found a tag defer for delayed loading in js and wondered why such a useful thing was not popular. I picked it up today and used it. I found it only in ie7, you can run the 360 and Security Tool on the browser to find out why you

Continue writing the last two articles. I try to clarify what I understand. I cannot understand some of your questions. In the first article, a Boyou raised the following questions. I don't quite understand either. If you have any understanding,

I was dazzled by the book's statements about the prototype object. I did not know what it was talking about. I checked a lot of information and finally got some understanding, below I will talk about my understanding of prototype objects in plain

Some colleagues often ask me how to obtain the event in Firefox. Most of them want to get the event. the keyCode function. Next we will introduce you to the two implementation methods. If you need to know how to get the event in Firefox, you can

During the development process, window. open pages are frequently encountered. At the same time, the problem arises, how to refresh the upper-layer pages? This article will introduce you in detail. For more information, see The Code is as follows:

In the previous article, we defined the Matrix. In this article, we will add some common methods to the matrix, such as the toString method and the clone method. For more information, see Preface In the previous article, we defined matrices. In

Some people may say that the newFunction method is almost the same as eval. Today I checked it and it is really different. The people who say this sentence are too irresponsible. The results of eval and newfunction are the same, and you are told not

You may have encountered this situation, that is, the onload event in the body may be affected after window. onload is used in js Code. In this case, window is used. attachEvent and window. addEventListener is used to solve the problem. You may have

Object3D seems to be Three. the most important class in the js framework. A considerable number of other classes are inherited from the Object3D class, such as the scenario class, ry class, Camera class, and illumination class. They are all objects

The onload, onresize, and onscroll events of windows are different from those of other events. They cannot be added using attachEvent or addEventListener, so I think of some alternative methods, you can refer to the onload, onresize, and onscroll

The annual Christmas has arrived again. First of all, we wish you good luck in a string. You will be safe forever in a year of health! Today, we will teach you how to add the surging snow effect to your blog. Today, have you had any snow? The annual

Text similar to the lighting effect implemented by JavaScript, from gradient light past, text gradient from left to right, after seeing it, stunned very visual impact effect, interested friends can study colorful text effects script

Click the button below to implement the drop-down effect, which is also called the expansion and collapse effect. The jQuery plug-in is used, if you are not familiar with jquery plug-ins, you can also use pure Js. But jquery is so popular now, it is

Underscore is a very practical JavaScript library that provides support for many functions required for programming. It provides many practical functions without extending any JavaScript native objects, for more information, see Underscore. It is a

Jquery limits the number of input words and prompts the remaining words. This article describes how to implement this function. For more information, see The Code is as follows: Jquery limits the number of words entered and prompts the

HTML5 canvas provides the getImageData interface to obtain the data in the canvas. Therefore, we can first draw the image on the canvas using the drawImage interface and then obtain the image data matrix through getImageData, for more information,

Recently, the project has a mouse drag layer effect, so I made one manually using Jquery and shared it with everyone. I hope I can get guidance from experts and learn how to improve it, I would like to be grateful for the effect of a mouse drag

Deleting array elements is often used in work. This article describes how to delete array elements by using the subscript in Javascript. If you need to know about it, you can refer to the following code and place it in the global js file: Js Code

Returning to the previous page and refreshing this function is a must-have for every web Developer. Let's talk about how to implement this function. For more information, see I. JS: Reload the page, refresh locally, and return to the previous page.